<template>
    <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";

const animationDuration = 3000;

export default {
    mixins: [resize],
    props: {
        className: {
            type: String,
            default: "chart"
        },
        width: {
            type: String,
            default: "100%"
        },
        height: {
            type: String,
            default: "300px"
        }
    },
    data() {
        return {
            chart: null
        };
    },
    mounted() {
        this.$nextTick(() => {
            this.initChart();
        });
    },
    beforeDestroy() {
        if (!this.chart) {
            return;
        }
        this.chart.dispose();
        this.chart = null;
    },
    methods: {
        initChart() {
            this.chart = echarts.init(this.$el, "macarons");

            this.chart.setOption({
                tooltip: {
                    trigger: "axis",
                    axisPointer: { // 坐标轴指示器，坐标轴触发有效
                        type: "shadow" // 默认为直线，可选为：'line' | 'shadow'
                    }
                },
                radar: {
                    radius: "66%",
                    center: ["50%", "42%"],
                    splitNumber: 8,
                    splitArea: {
                        areaStyle: {
                            color: "rgba(127,95,132,.3)",
                            opacity: 1,
                            shadowBlur: 45,
                            shadowColor: "rgba(0,0,0,.5)",
                            shadowOffsetX: 0,
                            shadowOffsetY: 15
                        }
                    },
                    indicator: [
                        { name: "Sales", max: 10000 },
                        { name: "Administration", max: 20000 },
                        { name: "Information Technology", max: 20000 },
                        { name: "Customer Support", max: 20000 },
                        { name: "Development", max: 20000 },
                        { name: "Marketing", max: 20000 }
                    ]
                },
                legend: {
                    left: "center",
                    bottom: "10",
                    data: ["Allocated Budget", "Expected Spending", "Actual Spending"]
                },
                series: [{
                    type: "radar",
                    symbolSize: 0,
                    areaStyle: {
                        normal: {
                            shadowBlur: 13,
                            shadowColor: "rgba(0,0,0,.2)",
                            shadowOffsetX: 0,
                            shadowOffsetY: 10,
                            opacity: 1
                        }
                    },
                    data: [
                        {
                            value: [5000, 7000, 12000, 11000, 15000, 14000],
                            name: "Allocated Budget"
                        },
                        {
                            value: [4000, 9000, 15000, 15000, 13000, 11000],
                            name: "Expected Spending"
                        },
                        {
                            value: [5500, 11000, 12000, 15000, 12000, 12000],
                            name: "Actual Spending"
                        }
                    ],
                    animationDuration: animationDuration
                }]
            });
        }
    }
};
</script>
